"Lincoln's death at war's end" is the one word among the following choices in the question that is <span>most likely an allusion to. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has actually come to your great help.
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The phrase/idiom, truly see something, means to to be well informed of "it's existence either as empty or void."
Hope this answered your question ._.
The first one and the last 2 any of those would be right because you can take sides and be for or against it and argue why...
I hope this helps! /!